Falling for an inanimate object, like a robot, is certainly possible for humans, from US Military personal throwing funerals for bomb disposal bots to a Japanese guy trying to marry a video game character back in 2009.

DARPA’s Aerial Reconfigurable Embedded System (ARES) program aims to develop and demonstrate a modular transportation system built around a vertical takeoff and landing (VTOL) flight module operated as an unmanned aerial vehicle (UAV).